Williams said the revamped production schedule conflicted with his commitment to spy drama "The Red Sea Diving Resort", which is currently being shot in South Africa, reported Deadline.
"I felt great about what I created with the directors that I worked with," said Williams, who was cast in the film by original directing duo Phil Lord and Chris Miller. They both dropped out of the project in June.
After that, filmmaker Ron Howard was brought on board to finish the film.
"But I;m here, on location in Africa. I'm not going to be back on the market until the end of November, and for them to wait that long for me, would have pushed back the release date, which I believe is in May 2018. They wanted me now; I couldn't go. So they had to clip-clip-clip," the actor said.
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